1/*
2 * Copyright (C) 2013 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16package com.android.transitiontests;
17
18import android.app.Activity;
19import android.os.Bundle;
20import android.transition.ChangeBounds;
21import android.view.View;
22import android.view.ViewGroup;
23import android.transition.Fade;
24import android.transition.Recolor;
25import android.transition.Scene;
26import android.transition.TransitionSet;
27import android.transition.TransitionManager;
28
29
30public class Demo4 extends Activity {
31    ViewGroup mSceneRoot;
32    static Scene mCurrentScene;
33    Scene mSearchScreen, mResultsScreen;
34    TransitionManager mTransitionManager = null;
35
36    @Override
37    public void onCreate(Bundle savedInstanceState) {
38        super.onCreate(savedInstanceState);
39        setContentView(R.layout.search_screen);
40
41        View container = (View) findViewById(R.id.container);
42        mSceneRoot = (ViewGroup) container.getParent();
43
44        mSearchScreen = Scene.getSceneForLayout(mSceneRoot, R.layout.search_screen, this);
45        mResultsScreen = Scene.getSceneForLayout(mSceneRoot, R.layout.results_screen, this);
46
47        TransitionSet transitionToResults = new TransitionSet();
48        Fade fade = new Fade();
49        fade.addTarget(R.id.resultsText).addTarget(R.id.resultsList);
50        fade.setStartDelay(300);
51        fade.setDuration(1000);
52        transitionToResults.addTransition(fade).
53                addTransition(new ChangeBounds().addTarget(R.id.searchContainer)).
54                addTransition(new Recolor().addTarget(R.id.container));
55
56        TransitionSet transitionToSearch = new TransitionSet();
57        transitionToSearch.addTransition(fade).
58                addTransition(new ChangeBounds().addTarget(R.id.searchContainer)).
59                addTransition(new Recolor().addTarget(R.id.container));
60
61        mTransitionManager = new TransitionManager();
62        mTransitionManager.setTransition(mSearchScreen, transitionToSearch);
63        mTransitionManager.setTransition(mResultsScreen, transitionToResults);
64    }
65
66    public void sendMessage(View view) {
67        if (mCurrentScene == mResultsScreen) {
68            mTransitionManager.transitionTo(mSearchScreen);
69            mCurrentScene = mSearchScreen;
70        } else {
71            mTransitionManager.transitionTo(mResultsScreen);
72            mCurrentScene = mResultsScreen;
73        }
74    }
75}
76